大约有 12,000 项符合查询结果(耗时:0.0427秒) [XML]

https://stackoverflow.com/ques... 

Express-js wildcard routing to cover everything under and including a path

I'm trying to have one route cover everything under /foo including /foo itself. I've tried using /foo* which work for everything except it doesn't match /foo . Observe: ...
https://stackoverflow.com/ques... 

Execution of Python code with -m option or not

...t when you try to run a package. There is a big difference between: python foo/bar/baz.py and python -m foo.bar.baz as in the latter case, foo.bar is imported and relative imports will work correctly with foo.bar as the starting point. Demo: $ mkdir -p test/foo/bar $ touch test/foo/__init__.py $ t...
https://stackoverflow.com/ques... 

How to get next/previous record in MySQL?

... next: select * from foo where id = (select min(id) from foo where id > 4) previous: select * from foo where id = (select max(id) from foo where id < 4) share ...
https://stackoverflow.com/ques... 

What is the purpose of the “final” keyword in C++11 for functions?

...to be able to mark a non-virtual method as 'final'. Given struct A { void foo(); }; struct B : public A { void foo(); }; A * a = new B; a -> foo(); // this will call A :: foo anyway, regardless of whether there is a B::foo a->foo() will always call A::foo. But, if A::foo was virtual, then ...
https://stackoverflow.com/ques... 

Shorthand way for assigning a single field in a record, while copying the rest of the fields?

...e's a nice way of updating record fields. In GHCi you can do -- > data Foo = Foo { a :: Int, b :: Int, c :: String } -- define a Foo > let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo > let updateFoo x = x { c = "Goodbye" } -- function to update Foos > ...
https://stackoverflow.com/ques... 

How to test code dependent on environment variables using JUnit?

...MockEnvironment { public String getVariable() { return "foobar"; } } @Test public void testService() { service.doSomething(new MockEnvironment()); } } The class under test then gets the environment variable using the Environment class, not directly f...
https://stackoverflow.com/ques... 

How do I check that multiple keys are in a dict in a single pass?

... Well, you could do this: >>> if all (k in foo for k in ("foo","bar")): ... print "They're there!" ... They're there! share | improve this answer | ...
https://stackoverflow.com/ques... 

JavaScript pattern for multiple constructors

...nction with more or fewer than the declared number of arguments. function foo(a, b) { if (b===undefined) // parameter was omitted in call b= 'some default value'; if (typeof(a)==='string') this._constructInSomeWay(a, b); else if (a instanceof MyType) this._const...
https://stackoverflow.com/ques... 

What is the use of “ref” for reference-type variables in C#?

... You can change what foo points to using y: Foo foo = new Foo("1"); void Bar(ref Foo y) { y = new Foo("2"); } Bar(ref foo); // foo.Name == "2" share | ...
https://stackoverflow.com/ques... 

Why can I type alias functions and use them without casting?

...fmt" "reflect" ) type T1 []string type T2 []string func main() { foo0 := []string{} foo1 := T1{} foo2 := T2{} fmt.Println(reflect.TypeOf(foo0)) fmt.Println(reflect.TypeOf(foo1)) fmt.Println(reflect.TypeOf(foo2)) // Output: // []string // main.T1 // main...